SIERRA 55A Mando-Style Marine Alternator for MerCruiser – 18-5966-1

Description

SIERRA 55A Mando-Style Marine Alternator for MerCruiser – 18-5966-1 is a 55-amp marine alternator for compatible MerCruiser GM-based engine installations.

This Mando-style unit uses the listed mounting/electrical configuration and a single-groove V-belt pulley. It is cataloged for 1982-and-newer GM four-cylinder engines and many 1982-1996 GM V6/V8 applications.

Key Features

• 55-amp rated output
• Mando-style marine alternator
• Single-groove V-belt pulley
• Fits selected MerCruiser GM 4-cylinder and 1982-1996 V6/V8 applications
• Replaces MerCruiser 12449/817119A-series alternators

Specifications

• Manufacturer Part Number: 18-5966-1
• Product Type: Marine alternator
• Rated Output: 55 A
• Pulley: Single-groove V-belt
• Application: Selected MerCruiser GM engines

Interchange / Cross Reference

• MerCruiser 12449 / 12449A1
• MerCruiser 817119A1 / 817119A4
• MerCruiser 92497 / 92497A3 / 98555A1
• Mallory 9-19101

Match mounting, pulley alignment and electrical connections to the original alternator before ordering.